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[git/mingw/j6t.git] / line-log.h
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1 #ifndef LINE_LOG_H
2 #define LINE_LOG_H
4 #include "diffcore.h"
6 struct rev_info;
7 struct commit;
9 /* A range [start,end]. Lines are numbered starting at 0, and the
10 * ranges include start but exclude end. */
11 struct range {
12 long start, end;
15 /* A set of ranges. The ranges must always be disjoint and sorted. */
16 struct range_set {
17 int alloc, nr;
18 struct range *ranges;
21 /* A diff, encoded as the set of pre- and post-image ranges where the
22 * files differ. A pair of ranges corresponds to a hunk. */
23 struct diff_ranges {
24 struct range_set parent;
25 struct range_set target;
28 extern void range_set_init(struct range_set *, size_t prealloc);
29 extern void range_set_release(struct range_set *);
30 /* Range includes start; excludes end */
31 extern void range_set_append_unsafe(struct range_set *, long start, long end);
32 /* New range must begin at or after end of last added range */
33 extern void range_set_append(struct range_set *, long start, long end);
35 * In-place pass of sorting and merging the ranges in the range set,
36 * to sort and make the ranges disjoint.
38 extern void sort_and_merge_range_set(struct range_set *);
40 /* Linked list of interesting files and their associated ranges. The
41 * list must be kept sorted by path.
43 * For simplicity, even though this is highly redundant, each
44 * line_log_data owns its 'path'.
46 struct line_log_data {
47 struct line_log_data *next;
48 char *path;
49 char status;
50 struct range_set ranges;
51 int arg_alloc, arg_nr;
52 const char **args;
53 struct diff_filepair *pair;
54 struct diff_ranges diff;
57 extern void line_log_init(struct rev_info *rev, const char *prefix, struct string_list *args);
59 extern int line_log_filter(struct rev_info *rev);
61 extern int line_log_print(struct rev_info *rev, struct commit *commit);
63 #endif /* LINE_LOG_H */